Abstract
Introduction - Fusion imaging has been shown to reduce the amount of radiation exposure and contrast use during endovascular aortic repairs (EVAR). The dynamic overlay of fusion imaging relies on the accurate registration of the preoperative CTA with the intraoperative position of the patient on the operation table. Originally this has required an intraoperative cone-beam CT (CBCT, 3D-3D registration). More recently 2D-3D registration methods have been developed which allow to be performed with only two single frame 2D intraoperative images instead of the CBCT.
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